Recall Radar

2022 Toyota Prius Prime, Prius recall: Engine and engine cooling: engine, engine control module (ecu/ecm), software

NHTSA campaign 21V-734 · September 22, 2021 · Toyota Motor Corporation

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Recall at a glance

Campaign number
21V734000
Reported
September 22, 2021
Manufacturer
Toyota Motor Corporation
Part
Engine and engine cooling: engine, engine control module (ecu/ecm), software
Vehicles affected
About 8,411

What is wrong

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2022 Prius and Prius Prime vehicles. The Engine Control Unit (ECU) software may falsely detect an error and shut down the hybrid system, causing a loss of drive power.

Safety risk

A loss of drive power increases the risk of a crash.

The fix

Dealers will update the ECU software, free of charge. Owner notification letters were mailed November 18, 2021. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 21TB07/21TA07.

Affected models

Model years listed by NHTSA for this campaign. Only vehicles within the build range in the notice are affected.

Notes from the notice

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Frequently asked questions

Which vehicles are affected by this recall?

Toyota Prius (2022); Toyota Prius Prime (2022). Check your VIN to confirm.

What is the safety risk?

A loss of drive power increases the risk of a crash.

What is the fix?

Dealers will update the ECU software, free of charge. Owner notification letters were mailed November 18, 2021. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 21TB07/21TA07.

Source: U.S. National Highway Traffic Safety Administration (NHTSA) recall data for passenger vehicles, recalls since 2013, shown as published. This site is independent and not affiliated with NHTSA or any manufacturer. Check your VIN at nhtsa.gov/recalls and follow your manufacturer’s notice. Terms and disclaimer.